Lovato isn’t the only fan of the funky hue, however — her fellow judge (and tough critic!) Simon Cowell also likes the new ‘do.
Between Lovato’s ever-changing technicolor tresses (she just went blonde a few weeks ago) and Spears’s upgraded fashion-game, the ladies of X Factor know how to keep us interested in the style department. We can’t wait to tune in and see what the duo does next. Tell us: Would you try dip-dyed pink hair?